List of 15-letter words containing •••••••

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There are 18 fifteen-letter words containing H, 3O, 2R, S and T

ARCHEOASTRONOMY	• archeoastronomy n. Alternative spelling of archaeastronomy. • ARCHEOASTRONOMY n. the scientific study of the beliefs and practices concerning astronomy that existed in ancient and prehistoric civilizations.
ASTROPHOTOGRAPH	• astrophotograph n. Alternative form of astrophoto. • ASTROPHOTOGRAPH n. a photograph of a celestial body.
BRONCHODILATORS	• bronchodilators n. Plural of bronchodilator. • BRONCHODILATOR n. a drug that relaxes bronchial muscle resulting in expansion of the bronchial air passages.
CHROMATOPHOROUS	• CHROMATOPHOROUS adj. of or like a chromatophore, a pigment-bearing cell.
CORTICOTROPHINS	• corticotrophins n. Plural of corticotrophin. • CORTICOTROPHIN n. a hormone that stimulates the adrenal gland, also CORTICOTROPIN.
HYDROCORTISONES	• hydrocortisones n. Plural of hydrocortisone. • HYDROCORTISONE n. a glucocorticoid hormone that is used to treat inflammatory and allergic conditions, aka cortisol.
ORTHOCHROMATISM	• orthochromatism n. Quality of being orthochromatic. • ORTHOCHROMATISM n. the state of being orthochromatic, of photographic film, sensitive to all colours except red.
ORTHOPHOSPHORIC	• orthophosphoric adj. (Chemistry) Describing the ordinary form of phosphoric acid and its derivatives. • ORTHOPHOSPHORIC adj. phosphoric.
PHOTOTRANSISTOR	• phototransistor n. (Electronics) Any semiconductor device whose electrical characteristics are light-sensitive. • PHOTOTRANSISTOR n. a junction transistor, whose base signal is generated by illumination of the base.
PROLOCUTORSHIPS	• prolocutorships n. Plural of prolocutorship. • PROLOCUTORSHIP n. the office of a prolocutor, a spokesman.
PROTHONOTARIATS	• prothonotariats n. Plural of prothonotariat. • PROTHONOTARIAT n. the college constituted by the twelve apostolical prothonotaries (bishops and senior members of the curia) in Rome, also PROTONOTARIAT.
PROTOHISTORIANS	• protohistorians n. Plural of protohistorian. • PROTOHISTORIAN n. one who studies protohistory.
PROTOPORPHYRINS	• protoporphyrins n. Plural of protoporphyrin. • PROTOPORPHYRIN n. metal-free porphyrin derived from blood hemin.
PYROPHOTOGRAPHS	• PYROPHOTOGRAPH n. a burnt-in photograph, e.g. on glass or porcelain.
PYROPHOTOMETERS	• PYROPHOTOMETER n. a type of pyrometer in which the temperature of an incandescent body is determined by photometric measurement of the light it emits.
THERIOMORPHOSES	• THERIOMORPHOSIS n. transformation into a beast.
THERIOMORPHOSIS	• THERIOMORPHOSIS n. transformation into a beast.
TROUBLESHOOTERS	• troubleshooters n. Plural of troubleshooter. • TROUBLESHOOTER n. a skilled worker employed to locate trouble and make repairs in machinery and technical equipment.

Scrabble words — in black are valid world wide — in RED are not valid in North America — in GREEN are valid only in North America.
Definitions are short excerpt from the 1Word.ws and WikWik.org.

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English Wiktionary: 145 words
Scrabble in French: 20 words
Scrabble in Spanish: 11 words
Scrabble in Italian: 3 words
Scrabble in German: no word
Scrabble in Romanian: 22 words

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